CN211791019U - High-efficiency energy-saving elevator door motor - Google Patents
High-efficiency energy-saving elevator door motor Download PDFInfo
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- CN211791019U CN211791019U CN202020545335.2U CN202020545335U CN211791019U CN 211791019 U CN211791019 U CN 211791019U CN 202020545335 U CN202020545335 U CN 202020545335U CN 211791019 U CN211791019 U CN 211791019U
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Abstract
The utility model relates to an energy-efficient lift-cabin door motor, including frame, rotatory cover and anchor strut, the middle part of frame is connected with the equipment board, and is provided with the stud on one side of the inside of equipment board, settle on one side of the top of equipment board has the limiting plate, outside one side of frame is connected with the aircraft bonnet, and the mid-mounting of aircraft bonnet has the connecting bolt, one side of connecting bolt is provided with rotatory cover, and the top of rotatory cover is connected with the electrical machinery system device, the bottom of rotatory cover is provided with the anchor strut, settle the bottom of equipment board has the spout post, and the both sides of spout post are provided with the slip box, the beneficial effects of the utility model are that: the belt between the elevator belt pulleys effectively penetrates through the isolation plate and the belt holes, so that the belt of the elevator belt pulleys has an independent rotating space, foreign matters are prevented from entering the belt of the elevator belt pulleys, the foreign matters are prevented from entering the interior of a motor of the high-efficiency energy-saving elevator door, and the fault rate of the motor of the high-efficiency energy-saving elevator door is reduced.
Description
Technical Field
The utility model relates to a high-efficient energy-saving elevator door motor technical field specifically is high-efficient energy-saving elevator door motor.
Background
The high-efficiency energy-saving motor adopts novel motor design, novel process and novel material, and improves the output efficiency by reducing the loss of electromagnetic energy, heat energy and mechanical energy. Compared with a standard motor, the energy-saving effect of the high-efficiency motor is very obvious, the efficiency can be improved by 4% on average under normal conditions, but the high-efficiency energy-saving elevator door motor has many installation defects and influences the normal use of the high-efficiency energy-saving elevator door motor, so that the protection structure of the high-efficiency energy-saving elevator door motor needs to be improved.
The efficient and energy-saving elevator door motor in the market is difficult to integrally fix, the noise of the efficient and energy-saving elevator door motor is too large, the belt pulley does not have a corresponding protection structure, foreign matters are easily caused to enter the inside of the efficient and energy-saving elevator door motor, the external heat dissipation is not smooth enough, and the service life of the efficient and energy-saving elevator door motor is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-efficient energy-saving elevator door motor to solve the energy-efficient elevator door motor on the market that proposes among the above-mentioned background, be difficult to carry out the monolithic stationary to energy-efficient elevator door motor, energy-efficient elevator door motor noise is too big, and the belt pulley does not have corresponding protective structure, causes the foreign matter easily to get into inside energy-efficient elevator door motor, and outside heat dissipation is unobstructed inadequately, influences energy-efficient elevator door motor life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency energy-saving elevator door motor comprises a frame, a rotating cover and a reinforcing frame, wherein an equipment plate is connected to the middle part of the frame, a stud is arranged on one side inside the equipment plate, a limiting plate is arranged on one side of the top end of the equipment plate, a hood is connected to one side outside the frame, a connecting bolt is arranged in the middle of the hood, a rotating cover is arranged on one side of the connecting bolt, a motor system device is connected to the top end of the rotating cover, the reinforcing frame is arranged at the bottom end of the rotating cover, a chute column is arranged at the bottom end of the equipment plate, sliding boxes are arranged on two sides of the chute column, a positioning bolt is connected to the inside of each sliding box, base frames are arranged on two sides of the bottom end of each positioning bolt, a clamping plate is arranged on the other side outside of the frame, clamping groove bolts are arranged on the upper side and the lower side of the clamping plate, a, the bottom end of the right surface of the motor system device is provided with a heat dissipation cover, the bottom end of the heat dissipation cover is connected with a buckling bolt, the bottom end of the buckling bolt is provided with a protective frame, two sides of the protective frame are connected with clamping plates, and a limiting bolt plate is arranged inside the clamping plates.
Preferably, the outer wall of the outer portion of the rack is tightly attached to the inner wall of the equipment board, and the equipment board is in threaded connection with the bolt.
Preferably, the sliding groove column is movably connected with the sliding box, and the sliding groove column and the positioning bolt form a sliding structure through the sliding box.
Preferably, the clamping plate is in threaded connection with the clamping groove bolt, and the clamping plate and the dustproof frame form a disassembly structure through the clamping groove bolt.
Preferably, be swing joint between protection frame and the cardboard, and protection frame passes through cardboard and bolt limiting plate and constitutes buckle structure.
Preferably, the bottom end of the inside of the reinforcing frame is provided with a groove, the inside of the groove is connected with an expansion plate, and a cross rod is fixed on the inner side of the expansion plate.
Preferably, the dustproof frame comprises an isolation plate and belt holes, the isolation plate is connected to the upper side and the lower side of the interior of the dustproof frame, and the belt holes are distributed in the isolation plate.
Preferably, the inside of the heat dissipation cover is distributed with return springs, and the inner sides of the return springs are connected with support columns.
Preferably, the heat dissipation cover is fixedly connected with the support column, and the heat dissipation cover forms an elastic structure through the support column and the return spring.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses the chute post constitutes sliding construction through slip box and gim peg, and the effectual slip box that will have the gim peg carries out horizontal slip position for slip box sliding protection installs between chute post and pedestal, does benefit to the manual gim peg of twisting between the slip box of user, can run through the buckle with the gim peg between slip box and pedestal, helps the frame bottom to protect the buckle installation.
2. The utility model discloses the protection frame is tied the board through cardboard and limit and is constituted buckle structure, can reach right surface radiating effect to the frame, can stop the dust between the lift-cabin door between the protection frame, can protect the centre gripping installation between the frame simultaneously, uses and ties the board through the limit of manual twisting between protection frame and the frame, can make the screw thread of limit tie the board move about between protection frame and frame, can dismantle the not hard up protection frame of screw thread, is convenient for carry out inside maintenance to energy-efficient lift-cabin door motor.
3. The utility model discloses the inside bottom of reinforcing frame is seted up flutedly, and the internal connection of recess has the expansion board, and the inboard of expansion board is fixed with the horizontal pole, and the user can promote fixed connection's expansion board and horizontal pole and slide along between recess and the reinforcing frame, and effectual expansion board and the horizontal pole extension that will slide do benefit to the user and carry out equipment location installation to expansion board and horizontal pole and consolidate in the both sides of reinforcing frame, help energy-efficient lift-cabin door motor to carry out the monolithic stationary, reduce energy-efficient lift-cabin door motor noise.
4. The utility model discloses both sides are connected with the division board about the inside of dustproof frame, and the inside distribution of division board has the belt hole, and the effectual belt with between the elevator belt pulley passes between division board and the belt hole, can make elevator belt pulley's belt have independent rotation space, and during the prevention foreign matter got into elevator belt pulley's belt, inside the foreign matter avoided getting into energy-efficient lift-cabin door motor, reduced energy-efficient lift-cabin door motor's fault rate.
5. The utility model discloses heat exchanger passes through the support column and constitutes elastic construction with reset spring, and effectual will have elastic reset spring extrusion between heat exchanger and the support column of dispelling the heat, can make and keep certain elasticity space between the heat exchanger that dispels the heat, does benefit to and dispels the heat circulation between the heat exchanger that dispels the heat, helps the equipment between motor system device and the frame to dispel the heat for outside heat dissipation keeps the patency, improves the life of energy-efficient elevator door motor.
Drawings
Fig. 1 is a schematic view of the front view structure of the motor of the high-efficiency energy-saving elevator door of the utility model;
FIG. 2 is a schematic diagram of the right-view structure of the motor of the high-efficiency energy-saving elevator door of the present invention;
fig. 3 is an enlarged schematic structural view of the motor of the energy-efficient elevator door of the present invention at a position a in fig. 1;
FIG. 4 is a schematic view of the internal structure of the high-efficiency energy-saving elevator door motor dustproof frame of the present invention;
fig. 5 is the schematic diagram of the enlarged structure at B in fig. 2 of the motor of the energy-efficient elevator door of the present invention.
Fig. 6 is the schematic view of the flow structure of the motor system device of the high-efficiency energy-saving elevator door.
In the figure: 1. a frame; 2. a limiting plate; 3. an equipment board; 4. a stud; 5. a hood; 6. a motor system device; 7. a rotating cover; 8. a connecting bolt; 9. a reinforcing frame; 10. a chute column; 11. a base frame; 12. A slide cassette; 13. positioning bolts; 14. a clamping plate; 15. a slot clamping bolt; 16. a dust-proof frame; 17. an elevator pulley; 18. a buckle bolt; 19. a heat dissipation cover; 20. a protective frame; 21. clamping a plate; 22. a bolt limiting plate; 23. a groove; 24. an expansion plate; 25. a cross bar; 26. a separator plate; 27. a belt hole; 28. a support pillar; 29. A return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-6, the present invention provides a technical solution: the high-efficiency energy-saving elevator door motor comprises a machine frame 1, a limiting plate 2, an equipment plate 3, studs 4, a machine cover 5, a motor system device 6, a rotating cover 7, a connecting stud 8, a reinforcing frame 9, a sliding chute column 10, a base frame 11, a sliding box 12, a positioning stud 13, a clamping plate 14, a clamping groove stud 15, a dustproof frame 16, an elevator belt pulley 17, a buckle stud 18, a heat dissipation cover 19, a protective frame 20, a clamping plate 21, a limiting stud plate 22, a groove 23, an expansion plate 24, a cross rod 25, a partition plate 26, a belt hole 27, a supporting column 28 and a reset spring 29, wherein the middle part of the machine frame 1 is connected with the equipment plate 3, the studs 4 are arranged on one side of the inside of the equipment plate 3, the limiting plate 2 is arranged on one side of the top end of the equipment plate 3, the outer wall of the machine frame 1 is tightly attached to the inner wall of the equipment plate 3, the equipment plate 3 is in threaded connection with the studs 4, the inner wall of the equipment plate, the screw thread of the bolt column 4 is penetrated and buckled between the frame 1 and the equipment board 3, the limit board 2 can be protected on the frame 1, the hood 5, the rotating cover 7 and the connecting bolt 8 are protected and installed between the frame 1, one side of the outside of the frame 1 is connected with the hood 5, the connecting bolt 8 is installed in the middle of the hood 5, one side of the connecting bolt 8 is provided with the rotating cover 7, the top end of the rotating cover 7 is connected with the motor system device 6, the bottom end of the rotating cover 7 is provided with the reinforcing frame 9, the bottom end of the equipment board 3 is provided with the chute column 10, the two sides of the chute column 10 are provided with the sliding boxes 12, the inside of the sliding boxes 12 is connected with the positioning bolt 13, the two sides of the bottom end of the positioning bolt 13 are provided with the base frame 11, the other side of the outside of the frame 1 is provided with the clamping board 14, the upper side and the, an elevator belt pulley 17 is connected inside the dustproof frame 16, a heat dissipation cover 19 is arranged at the bottom end of the right surface of the motor system device 6, a clamping bolt 18 is connected to the bottom end of the heat dissipation cover 19, a protection frame 20 is arranged at the bottom end of the clamping bolt 18, clamping plates 21 are connected to two sides of the protection frame 20, and a limited bolt plate 22 is arranged inside the clamping plates 21;
the chute column 10 is movably connected with the sliding box 12, the chute column 10 forms a sliding structure through the sliding box 12 and the positioning bolt 13, the sliding box 12 is movably installed between the chute column 10, a user pushes the sliding box 12 to slide along the sliding box column 10 and the base frame 11, the sliding box 12 with the positioning bolt 13 is effectively subjected to left-right sliding, the sliding box 12 is installed between the chute column 10 and the base frame 11 in a sliding protection mode, the positioning bolt 13 between the sliding boxes 12 is conveniently screwed by the user manually, the positioning bolt 13 can be buckled between the sliding box 12 and the base frame 11 in a penetrating mode, and the bottom of the rack 1 is favorably subjected to protection buckle installation;
the clamping plate 14 is in threaded connection with the clamping groove bolt 15, the clamping plate 14 and the dustproof frame 16 form a dismounting structure through the clamping groove bolt 15, and the clamping groove bolt 15 is in threaded connection with the clamping plate 14, so that the dustproof frame 16 is installed between the rack 1 and the elevator belt pulley 17 through threaded buckling of the clamping groove bolt 15, and equipment protection installation on the elevator belt pulley 17 is facilitated;
the protective frame 20 is movably connected with the clamping plate 21, the protective frame 20 forms a buckling structure through the clamping plate 21 and the bolt limiting plate 22, the protective frame 20 is movably connected between the clamping plates 21, the protective frame 20 is installed on the right surface of the frame 1, the bolt limiting plate 22 can be protected and buckled between the protective frame 20 and the frame 1, the heat dissipation effect of the right surface of the frame 1 can be achieved, dust between elevator doors can be blocked between the protective frames 20, meanwhile, the frame 1 can be protected, clamped and installed, the bolt limiting plate 22 between the protective frame 20 and the frame 1 is manually screwed, threads of the bolt limiting plate 22 can move between the protective frame 20 and the frame 1, the protective frame 20 with loosened threads can be disassembled, and the internal maintenance of a motor of the efficient energy-saving elevator door is facilitated;
the bottom end in the inside of the reinforcing frame 9 is provided with a groove 23, the inside of the groove 23 is connected with an expansion plate 24, the inner side of the expansion plate 24 is fixed with a cross rod 25, the groove 23 is arranged between the reinforcing frames 9, the inner wall of the expansion plate 24 can be tightly attached and installed between the groove 23 and the reinforcing frame 9, a user can push the expansion plate 24 and the cross rod 25 which are fixedly connected to slide along the groove 23 and the reinforcing frame 9, the sliding expansion plate 24 and the cross rod 25 can be effectively extended on two sides of the reinforcing frame 9, the device positioning, installation and reinforcement of the expansion plate 24 and the cross rod 25 can be favorably carried out by the user, the integral fixation of a motor of an efficient energy-saving elevator door can be facilitated, and the noise of;
the dustproof frame 16 comprises a partition plate 26 and belt holes 27, the partition plate 26 is connected to the upper side and the lower side of the interior of the dustproof frame 16, the belt holes 27 are distributed in the partition plate 26, when the dustproof frame 16 is installed between the rack 1 and the elevator belt pulley 17 through the threaded buckle of the slot clamp bolt 15, the partition plate 26 and the belt holes 27 in the interior of the dustproof frame 16 are installed between the elevator belt pulley 17 in a protective mode, a belt between the elevator belt pulley 17 effectively penetrates through the partition plate 26 and the belt holes 27, the belt of the elevator belt pulley 17 can have an independent rotating space, foreign matters are prevented from entering the belt of the elevator belt pulley 17, the foreign matters are prevented from entering the interior of the motor of the high-efficiency energy-saving elevator door, and the failure rate of the;
reset springs 29 are distributed in the heat dissipation cover 19, the inner sides of the reset springs 29 are connected with support columns 28, the heat dissipation cover 19 is fixedly connected with the support columns 28, the heat dissipation cover 19 forms an elastic structure through the support columns 28 and the reset springs 29, the heat dissipation cover 19 is installed between the motor system device 6 and the rack 1, the support columns 28 in the heat dissipation cover 19 can be fixedly supported between the heat dissipation cover 19, the elastic reset springs 29 are effectively extruded between the heat dissipation cover 19 and the support columns 28, a certain elastic space can be kept between the heat dissipation cover 19, heat dissipation circulation between the heat dissipation cover 19 is facilitated, heat dissipation of equipment between the motor system device 6 and the rack 1 is facilitated, smoothness of external heat dissipation is kept, and the service life of the high-efficiency energy-saving elevator door motor is prolonged.
The working principle of the embodiment is as follows: the data cabinet with data management capability for the IT machine room is characterized in that a sliding box 12 is movably arranged between sliding groove columns 10, a user pushes the sliding box 12 to slide along the sliding groove columns 10 and a base frame 11, the sliding box 12 with a positioning bolt 13 is effectively subjected to a left-right sliding position, the sliding box 12 is movably and protectively arranged between the sliding groove columns 10 and the base frame 11, the positioning bolt 13 between the sliding box 12 and the base frame 11 can be conveniently screwed by the user, the positioning bolt 13 can be buckled between the sliding box 12 and the base frame 11 in a penetrating way, the bottom of the machine frame 1 is facilitated to be protected and buckled, when a dustproof frame 16 is buckled and arranged between the machine frame 1 and an elevator belt pulley 17 through a thread of a clamping groove bolt 15, an internal isolation plate 26 and a belt hole 27 of the dustproof frame 16 are installed between the elevator belt pulley 17 in a protecting way, a belt between the elevator belt pulley 17 is effectively penetrated between the isolation plate 26 and the belt, the belt of the elevator belt pulley 17 can have an independent rotating space, foreign matters are prevented from entering the belt of the elevator belt pulley 17, the foreign matters are prevented from entering the inside of the high-efficiency energy-saving elevator door motor, the fault rate of the high-efficiency energy-saving elevator door motor is reduced, meanwhile, the protection frame 20 is movably connected between the clamping plates 21, the protection frame 20 is installed on the right surface of the machine frame 1, the bolt limiting plate 22 can be protected and clamped between the protection frame 20 and the machine frame 1, the right surface heat dissipation effect can be achieved on the machine frame 1, dust between the elevator doors can be blocked between the protection frame 20, meanwhile, the machine frame 1 can be protected, clamped and installed, the bolt limiting plate 22 between the protection frame 20 and the machine frame 1 is manually screwed, the threads of the bolt limiting plate 22 can move between the protection frame 20 and the machine frame 1, the protection frame 20 with loosened threads can be disassembled, and the internal maintenance of the high-efficiency energy, finally, the heat dissipation cover 19 is arranged between the motor system device 6 and the frame 1, the support columns 28 in the heat dissipation cover 19 can be fixedly supported between the heat dissipation cover 19, the elastic return spring 29 is effectively extruded between the heat dissipation cover 19 and the support columns 28, a certain elastic space can be kept between the heat dissipation cover 19, heat dissipation circulation between the heat dissipation cover 19 is facilitated, equipment between the motor system device 6 and the frame 1 is facilitated, exterior heat dissipation is kept smooth, the service life of the high-efficiency energy-saving elevator door motor is prolonged, the inner wall of the expansion plate 24 can be tightly attached and arranged between the groove 23 and the reinforcing frame 9 by arranging the groove 23 between the reinforcing frames 9, a user can push the fixedly connected expansion plate 24 and the cross bar 25 to slide along the groove 23 and the reinforcing frames 9, and the sliding expansion plate 24 and the cross bar 25 can be effectively extended on two sides of the reinforcing frame 9, do benefit to the user and carry out equipment location installation reinforcement to expansion board 24 and horizontal pole 25, help energy-efficient lift-cabin door motor to carry out the monolithic stationary, reduce energy-efficient lift-cabin door motor noise, through tieing 15 threaded connection with the draw-in groove between grip block 14, make the dustproof frame 16 install between frame 1 and elevator belt pulley 17 through the screw thread buckle of tieing 15 of draw-in groove, do benefit to and carry out equipment protection installation to elevator belt pulley 17, through closely laminating the inside inner wall of equipment board 3 between the outside outer wall of frame 1, make the screw thread of embolus 4 run through the buckle between frame 1 and equipment board 3, can be with limiting plate 2 protection frame 1 on, simultaneously with aircraft bonnet 5, rotatory cover 7 and connection bolt 8 protection installation between frame 1.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. Energy-efficient elevator door motor, including frame (1), rotating housing (7) and reinforcing frame (9), its characterized in that: the middle part of the rack (1) is connected with an equipment plate (3), one side of the inside of the equipment plate (3) is provided with a stud (4), one side of the top end of the equipment plate (3) is provided with a limit plate (2), one side of the outside of the rack (1) is connected with a hood (5), the middle part of the hood (5) is provided with a connecting bolt (8), one side of the connecting bolt (8) is provided with a rotating cover (7), the top end of the rotating cover (7) is connected with a motor system device (6), the bottom end of the rotating cover (7) is provided with a reinforcing frame (9), the bottom end of the equipment plate (3) is provided with a chute column (10), two sides of the chute column (10) are provided with sliding boxes (12), the inside of the sliding boxes (12) is connected with positioning bolts (13), two sides of the bottom end of the positioning bolts (13) are provided with a base frame (11), the other side of the outside of the rack (, and the upper and lower both sides of grip block (14) are provided with draw-in groove bolt (15), dustproof frame (16) are installed to the inboard of draw-in groove bolt (15), the internal connection of dustproof frame (16) has elevator belt pulley (17), the right surface bottom of motor system device (6) is provided with heat dissipation cover (19), and the bottom of heat dissipation cover (19) is connected with buckle bolt (18), the bottom of buckle bolt (18) is provided with protection frame (20), the both sides of protection frame (20) are connected with cardboard (21), and the inside of cardboard (21) settles and have only pegboard (22).
2. The energy efficient elevator door motor of claim 1, wherein: the outer wall of the rack (1) is tightly attached to the inner wall of the equipment plate (3), and the equipment plate (3) is in threaded connection with the bolt (4).
3. The energy efficient elevator door motor of claim 1, wherein: the sliding groove column (10) is movably connected with the sliding box (12), and the sliding groove column (10) and the positioning bolt (13) form a sliding structure through the sliding box (12).
4. The energy efficient elevator door motor of claim 1, wherein: the clamping plate (14) is in threaded connection with the clamping groove bolt (15), and the clamping plate (14) and the dustproof frame (16) form a dismounting structure through the clamping groove bolt (15).
5. The energy efficient elevator door motor of claim 1, wherein: the protection frame (20) is movably connected with the clamping plate (21), and the protection frame (20) forms a buckling structure with the bolt limiting plate (22) through the clamping plate (21).
6. The energy efficient elevator door motor of claim 1, wherein: the reinforcing frame is characterized in that a groove (23) is formed in the bottom end of the inner portion of the reinforcing frame (9), an expansion plate (24) is connected to the inner portion of the groove (23), and a cross rod (25) is fixed to the inner side of the expansion plate (24).
7. The energy efficient elevator door motor of claim 1, wherein: dustproof frame (16) include division board (26) and belt hole (27), both sides are connected with division board (26) about the inside of dustproof frame (16), and the inside distribution of division board (26) has belt hole (27).
8. The energy efficient elevator door motor of claim 1, wherein: the interior of the heat dissipation cover (19) is distributed with return springs (29), and the inner sides of the return springs (29) are connected with support columns (28).
9. The energy efficient elevator door motor of claim 8, wherein; the heat dissipation cover (19) is fixedly connected with the supporting columns (28), and the heat dissipation cover (19) and the return springs (29) form an elastic structure through the supporting columns (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545335.2U CN211791019U (en) | 2020-04-14 | 2020-04-14 | High-efficiency energy-saving elevator door motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545335.2U CN211791019U (en) | 2020-04-14 | 2020-04-14 | High-efficiency energy-saving elevator door motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211791019U true CN211791019U (en) | 2020-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020545335.2U Active CN211791019U (en) | 2020-04-14 | 2020-04-14 | High-efficiency energy-saving elevator door motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211791019U (en) |
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2020
- 2020-04-14 CN CN202020545335.2U patent/CN211791019U/en active Active
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